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// Ö÷Ì⣺һ¶ÎÓÃÀ´ÅжÏÈÕÆÚÊÇÐÇÆÚ¼¸µÄ´úÂë
// ÃèÊö£ºÕª×Ô¡¶CCFAQ¡·
// ×÷ÕߣºÌìÖ®·ã
// ʱ¼ä£º2010-02-13
///////////////////////////////////////////////// 
#include <stdio.h>
int dayofweek(int y, int m, int d) // ÅжÏÊäÈëµÄÈÕÆÚÊÇÐÇÆÚ¼¸
{
static int t[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
y -= m < 3;
return (y + y/4 - y/100 + y/400 + t[m-1] + d) % 7;
} /* 0 = Sunday */
int main(void)
{
printf( "½ñÌìÊÇÐÇÆÚ%d \n", dayofweek(2010,2,13) );
return 0;
}
 


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http://topic.csdn.net/u/20100413/09/ffc0fcd5-c3c1-4a15-b5a2-f1bf65f50caa.html?21874
C/C++ code
typedef struct _VSCSIDISK_COMMON_DEVICE_EXTENSION
{
BOOLEAN IsPdo;
} VSCSIDISK_COMMON_DEVICE_EXTENSION, *PVSCSIDISK_COMMON_DEVICE_EXTENSION;

typedef struct _VSCSIDISK_PDO_DEVI ......

about pack and align for C/C++

http://msdn.microsoft.com/en-us/library/2e70t5y1(VS.80).aspx
#pragma
pack(  n  )
n : Valid values are 1, 2, 4, 8, and 16.the
alignment of a member will be on a boundary that is either a multiple of 
n
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a multiple of the size of the member
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whichever is smaller.
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c c++

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